US1803485A - Stud and grommet fastener - Google Patents

Stud and grommet fastener Download PDF

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Publication number
US1803485A
US1803485A US297587A US29758728A US1803485A US 1803485 A US1803485 A US 1803485A US 297587 A US297587 A US 297587A US 29758728 A US29758728 A US 29758728A US 1803485 A US1803485 A US 1803485A
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United States
Prior art keywords
stud
grommet
shank
latch
base
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Expired - Lifetime
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US297587A
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Arthur C Peters
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Cinch Manufacturing Corp
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Cinch Manufacturing Corp
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Publication date
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Priority to US297587A priority Critical patent/US1803485A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/06—Releasable fastening devices with snap-action
    • F16B21/08—Releasable fastening devices with snap-action in which the stud, pin, or spigot has a resilient part
    • F16B21/086—Releasable fastening devices with snap-action in which the stud, pin, or spigot has a resilient part the shank of the stud, pin or spigot having elevations, ribs, fins or prongs intended for deformation or tilting predominantly in a direction perpendicular to the direction of insertion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45471—Projection having movable connection between components thereof or variable configuration
    • Y10T24/45482—Projection having movable connection between components thereof or variable configuration and operator therefor
    • Y10T24/45487—Projection having movable connection between components thereof or variable configuration and operator therefor including camming or wedging element on projection member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45471—Projection having movable connection between components thereof or variable configuration
    • Y10T24/45524—Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment
    • Y10T24/45592—Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment having both resiliently biased and rigid components forming external surface of projection

Definitions

  • My invention relates to separable fasteners whichincludes a. grommet adapted'to be removably held by a stud.
  • Figure 1 rs a front elevation of the'separable fastener used as a cnrtainfastener
  • Fig. 2 is a vertical section taken on the plane. of line 22 of Figure 1 with portions of the stud being illus- 1 trated in elevation
  • Fig. '8 is a view of the:
  • Fig. 4 is. directed to the spring member of'the stud and a front and a side elevation thereof are illustrated; 5 is directed to front, side and rear alevational views of the stud; and Fig. 6 is a section through the detached members of the grommet and the materialto which it is to be applied.
  • the stud post contains a spring-wire yieldable member having a hexagonally shaped portion 3 fitted into the base portion 2 and held in place by thehead 4: ofthe screw 5.
  • a yieldable portion 6 extends'from the hexagonal portion 3 intothe shank 1 and a latch or nose portion 7 is provided at one end of the yieldable portion 6 by bending the end of the spring wire, as shown in Fig. 2.
  • This nose portion 7 normally projects r through a slot 8 in the side wall of the shank 1.
  • the shank 1 is open at its outer end and a hollow plunger or press-button 9 is fitted into the open end and assembled with the stud.
  • the plunger 9 is also provided with a slot 8; through-which a portion ofthe nose portion 71 passes.
  • the nose portion 7 of the-wire spring has an inclined bend 10 and also a sharp ben'd 11.
  • the former bend 10 permits engagement of the grommet -l 2 with the stud 1 by merely pushing it over the end of the shank 1.
  • the latter bend 11 provides means for loo-king the stud and grommettogether.
  • grommet includes the eyelet 12 having :a
  • dished portion "provided witha flatgbottom and an annular wall 15,.a flange extending outwardly 'from thenpper edge ofthe wall,,;s0 and a tubular rivet portion 16 formed in.
  • the washer l7 of. the grommet, before assembly, is dish shaped andhas an upstandingwall 18,21. flange 19 extending outwardly from the upper edge of the wall and a frusto conical portion 20'adjacent an aperture 21.
  • a snap fastener stud having a hollow shank and a one-piece spring wire latch presenting member assembled with said shank, said latch presenting member having a latch portion normally extending through an opening in the shank for engagement with a socket, a portion fixed relative to said shank and a movable portion located within the hollow shank and connecting the fixed portion and the latch portion to permit movement of the latch portion with respect to said shank and an axially movable latch operating plunger normally pressed in one direction by the latch presenting member and adapted to be pressed in the opposite direction to move the latch portion into the hollow shank and permit disengagement from the stud of a cooperating fastener socket.
  • a snap fastener stud comprising a hollow shank open at one end and having a base flange at the opposite end, an attaching member having a head secured within said base flange, a member formed entirely from a single piece of wire and having a portion 3 rigidly secured between the base flange and the head of the attaching member, a yield able portion 6 having a portion extending first toward the axis of the stud from the portion 3 and normally engaging the head of the attaching member and a latch portion 7 normally extending from said yieldable portion 6 through a slot in the shank and an axially movable plunger presented at the aperture in said shank and having means which cooperates with the latch portion 7 to force it into the hollow shank when said plunger is pressed toward said base flange and said yieldable portion 6 acting through said latch to return said plunger.
  • a fastener stud including a hollow shank portion having a base, a latch element formed entirely of wire and having a portion rigidly secured in the base of the shank portion, a yieldable portion extending from said rigid portion into the shank portion and said latch element having a nose portion carried by said yieldable portion and normally projecting through an opening in the hollow shank portion for securing a socket with the stud and a longitudinally movable plunger assembled as apart of the fastener stud at the socket engaging end thereof and hav ing means for moving the nose portion of the latch element toward the axis of the stud when the plunger is pressed toward the base of the stud.
  • a grommet installation comprising a dish-shaped member provided with a bottom, a rivet portion extending from said bottom, a wall extending from said bottom and surrounding said rivet portion a substantial distance therefrom and a second dish-shaped member having a concavo-convex bottom which remains concave-convex when the parts of the installation are completely as Sild and has an aperture to receive said rivet portion, said second mentioned dishshaped member having a Wall adapted to cooperate with the wall of the first mentioned dish-shaped member, said dish-shaped members secured to opposite sides of a fabric by said rivet and gripping the fabric tightly between the two walls, and said concave-convex portion providing a space into which the fabric is squeezed to form a bunch adjacent to the rivet to assist in preventing loosening of the fabric from between the two members of the grommet when the fabric is subjected to lateral strains.
  • a grommet installation comprising, when assembly is complete, two dish-shaped members secured to opposite sides of a fabric, one of said members having a wall which nests with a similar wall of the other part to grip the fabric tightly between them, each member having a base and one member hav-- ing a tubular rivet extending from its base through a hole in the base of the other member and clenched against the base of the member presenting the hole and the base of one member being frusto-conical, thereby being spaced a greater distance at a point adjacent to the rivet than at the base of the other member from a point adjacent where said walls grip the fabric thereby providing an enlarged space between said bases and adj acent to said rivet in which the fabric is bunched.

Description

y 5, 1931. A. c. PETRs "1,803,485
' STUD AN D GROMMET FAS'TENER Filed Aug. 192
Patented May 5, 1931 U-Nir A 'rENrFFic-E ARTHUR, c. rnrnas, on onroneo, ILLINOIS, assrenon To omen nanurecrunrne eon- ,PORATION, OF CHICAGO, ILLINOIS, AQOBPOR,ATIQN OF ILLINOIS s TUn AND GROMMET rnsrnnnn Application filed August 6, 1928. Serial No. 297,587.
My inventionrelates to separable fasteners whichincludes a. grommet adapted'to be removably held by a stud.
In the drawings which accompany and form apart of this application, Figure 1 rs a front elevation of the'separable fastener used as a cnrtainfastener;Fig. 2 is a vertical section taken on the plane. of line 22 of Figure 1 with portions of the stud being illus- 1 trated in elevation; Fig. '8 is a view of the:
stud similartoi the one shown in Fig. 2, except that the press-button has been pushed to release the socket; Fig. 4 is. directed to the spring member of'the stud and a front and a side elevation thereof are illustrated; 5 is directed to front, side and rear alevational views of the stud; and Fig. 6 is a section through the detached members of the grommet and the materialto which it is to be applied.
2. The stud post contains a spring-wire yieldable member having a hexagonally shaped portion 3 fitted into the base portion 2 and held in place by thehead 4: ofthe screw 5. A yieldable portion 6 extends'from the hexagonal portion 3 intothe shank 1 and a latch or nose portion 7 is provided at one end of the yieldable portion 6 by bending the end of the spring wire, as shown in Fig. 2. This nose portion 7 normally projects r through a slot 8 in the side wall of the shank 1.
The shank 1 is open at its outer end and a hollow plunger or press-button 9 is fitted into the open end and assembled with the stud. The plunger 9 is also provided with a slot 8; through-which a portion ofthe nose portion 71 passes.
The nose portion 7 of the-wire spring has an inclined bend 10 and also a sharp ben'd 11.
The former bend 10 permits engagement of the grommet -l 2 with the stud 1 by merely pushing it over the end of the shank 1. The latter bend 11 provides means for loo-king the stud and grommettogether.
"Separation of the fastener maybe effected 50 by simply pressing inwardly upon. the -pr.o Jected end ofthe-pIunger-Q. lhe QZLHLPOT- tion .18 s at the end. of theslot '8" in{ the; plunger Qengageatheinclined bend-10 and draws V "the nose toward theaxis of the stud,- as shown 05 -1n-F1g. 8, and the grommetmay'be removed.
The spring element is formed from a single piece of wire and takes the place ofthree pieces in the construction shown in the above referred; to-PatentNo. 1,415,129. Therefore- I have provided a stud unitrwhich is easier, to assemble, has fewer; parts and is less expensive to manufacture while being durablegand efficient. I r I V lteferring now-to, my grommet member=ofi the fastener it' will beseen (\Fig. 6);that. the
grommet includes the eyelet 12 having :a
dished portion "provided witha flatgbottom and an annular wall 15,.a flange extending outwardly 'from thenpper edge ofthe wall,,;s0 and a tubular rivet portion 16 formed in. the
center of the eyelet. QThe washer l7 of. the grommet, before assembly, is dish shaped andhas an upstandingwall 18,21. flange 19 extending outwardly from the upper edge of the wall and a frusto conical portion 20'adjacent an aperture 21.
v :Inapplying the parts of the grommet to the flexible material 22 which has been previonsly perforated the rivet portion 16. isthrust .through the perforation in the lmaterial 22 andthe aperture 21in thewasher. Thena suitable setting tool turns overthe'free; edge 7 of the rivet portion to olamp thetwo parts of the grommetagainst'the carrying medium.
When the setting operation ,-is comple te, the
carrying. medium will be gripped much more firmly adjacent the upstanding-walls of the parts of the grommet than anywhere else.
01 1 11 2;n tic d.(Rig -Emi ie) wha the frusto-conical portion of the washer is flattened only very slightly from its normal shape thereby leaving a space inside of the tightly gripped portion A of the carrying medium where the carrying medium is bunched by the squeezing of it adjacent the wall. Thus, I provide a grommet which grips the carrying medium very tightly at a substantial distance from the edge of the perforation while leaving a space at the edge of the perforation where the material is bunched. Therefore, when the carrying medium is stressed, lateral pulling out of the material is avoided, because of the firm grip between the upstanding walls and because the bunched portion B cannot readily be pulled through the narrow annular space between the walls.
I claim 1. A snap fastener stud having a hollow shank and a one-piece spring wire latch presenting member assembled with said shank, said latch presenting member having a latch portion normally extending through an opening in the shank for engagement with a socket, a portion fixed relative to said shank and a movable portion located within the hollow shank and connecting the fixed portion and the latch portion to permit movement of the latch portion with respect to said shank and an axially movable latch operating plunger normally pressed in one direction by the latch presenting member and adapted to be pressed in the opposite direction to move the latch portion into the hollow shank and permit disengagement from the stud of a cooperating fastener socket.
2. A snap fastener stud comprising a hollow shank open at one end and having a base flange at the opposite end, an attaching member having a head secured within said base flange, a member formed entirely from a single piece of wire and having a portion 3 rigidly secured between the base flange and the head of the attaching member, a yield able portion 6 having a portion extending first toward the axis of the stud from the portion 3 and normally engaging the head of the attaching member and a latch portion 7 normally extending from said yieldable portion 6 through a slot in the shank and an axially movable plunger presented at the aperture in said shank and having means which cooperates with the latch portion 7 to force it into the hollow shank when said plunger is pressed toward said base flange and said yieldable portion 6 acting through said latch to return said plunger.
3. A fastener stud including a hollow shank portion having a base, a latch element formed entirely of wire and having a portion rigidly secured in the base of the shank portion, a yieldable portion extending from said rigid portion into the shank portion and said latch element having a nose portion carried by said yieldable portion and normally projecting through an opening in the hollow shank portion for securing a socket with the stud and a longitudinally movable plunger assembled as apart of the fastener stud at the socket engaging end thereof and hav ing means for moving the nose portion of the latch element toward the axis of the stud when the plunger is pressed toward the base of the stud.
l. A grommet installation comprising a dish-shaped member provided with a bottom, a rivet portion extending from said bottom, a wall extending from said bottom and surrounding said rivet portion a substantial distance therefrom and a second dish-shaped member having a concavo-convex bottom which remains concave-convex when the parts of the installation are completely as sembled and has an aperture to receive said rivet portion, said second mentioned dishshaped member having a Wall adapted to cooperate with the wall of the first mentioned dish-shaped member, said dish-shaped members secured to opposite sides of a fabric by said rivet and gripping the fabric tightly between the two walls, and said concave-convex portion providing a space into which the fabric is squeezed to form a bunch adjacent to the rivet to assist in preventing loosening of the fabric from between the two members of the grommet when the fabric is subjected to lateral strains.
5. A grommet installation comprising, when assembly is complete, two dish-shaped members secured to opposite sides of a fabric, one of said members having a wall which nests with a similar wall of the other part to grip the fabric tightly between them, each member having a base and one member hav-- ing a tubular rivet extending from its base through a hole in the base of the other member and clenched against the base of the member presenting the hole and the base of one member being frusto-conical, thereby being spaced a greater distance at a point adjacent to the rivet than at the base of the other member from a point adjacent where said walls grip the fabric thereby providing an enlarged space between said bases and adj acent to said rivet in which the fabric is bunched.
In testimony whereof I have signed my name to this specification.
ARTHUR C. PETERS.
US297587A 1928-08-06 1928-08-06 Stud and grommet fastener Expired - Lifetime US1803485A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2865076A (en) * 1954-02-16 1958-12-23 Harold E Koch Quick release self-locking shear pin
US4782562A (en) * 1987-05-21 1988-11-08 Emhart Enterprises Corp. Two-part plastic clip
US20050020390A1 (en) * 2001-12-07 2005-01-27 Assb Holding Company Movable goalie

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2865076A (en) * 1954-02-16 1958-12-23 Harold E Koch Quick release self-locking shear pin
US4782562A (en) * 1987-05-21 1988-11-08 Emhart Enterprises Corp. Two-part plastic clip
US20050020390A1 (en) * 2001-12-07 2005-01-27 Assb Holding Company Movable goalie
US7156760B2 (en) * 2001-12-07 2007-01-02 Assb Holding Company Movable goalie

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